depends on the uni. they know when Student finance payments are scheduled for, so the accommodation payments tend to coincide with your scheduled payments. For example, I get paid in September, January and April and my accommodation payments are due in October, January and April 😊
Your student loan is usually paid on the first official day of your course. If you log into your student finance portal, providing your funding has been processed, you will be able to go to the payments section and see when you are scheduled to be paid you maintenance loan